ibcs2_stat.c revision 11525
1/* 2 * Copyright (c) 1995 Scott Bartram 3 * Copyright (c) 1995 Steven Wallace 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/namei.h> 32#include <sys/proc.h> 33#include <sys/file.h> 34#include <sys/stat.h> 35#include <sys/filedesc.h> 36#include <sys/ioctl.h> 37#include <sys/kernel.h> 38#include <sys/mount.h> 39#include <sys/malloc.h> 40#include <sys/vnode.h> 41#include <sys/sysctl.h> 42#include <sys/sysproto.h> 43 44#include <vm/vm.h> 45 46#include <i386/ibcs2/ibcs2_types.h> 47#include <i386/ibcs2/ibcs2_fcntl.h> 48#include <i386/ibcs2/ibcs2_signal.h> 49#include <i386/ibcs2/ibcs2_stat.h> 50#include <i386/ibcs2/ibcs2_statfs.h> 51#include <i386/ibcs2/ibcs2_proto.h> 52#include <i386/ibcs2/ibcs2_ustat.h> 53#include <i386/ibcs2/ibcs2_util.h> 54#include <i386/ibcs2/ibcs2_utsname.h> 55 56static void bsd_stat2ibcs_stat __P((struct stat *, struct ibcs2_stat *)); 57static int cvt_statfs __P((struct statfs *, caddr_t, int)); 58 59static void 60bsd_stat2ibcs_stat(st, st4) 61 struct stat *st; 62 struct ibcs2_stat *st4; 63{ 64 bzero(st4, sizeof(*st4)); 65 st4->st_dev = (ibcs2_dev_t)st->st_dev; 66 st4->st_ino = (ibcs2_ino_t)st->st_ino; 67 st4->st_mode = (ibcs2_mode_t)st->st_mode; 68 st4->st_nlink= (ibcs2_nlink_t)st->st_nlink; 69 st4->st_uid = (ibcs2_uid_t)st->st_uid; 70 st4->st_gid = (ibcs2_gid_t)st->st_gid; 71 st4->st_rdev = (ibcs2_dev_t)st->st_rdev; 72 if (st->st_size < (quad_t)1 << 32) 73 st4->st_size = (ibcs2_off_t)st->st_size; 74 else 75 st4->st_size = -2; 76 st4->st_atim = (ibcs2_time_t)st->st_atime; 77 st4->st_mtim = (ibcs2_time_t)st->st_mtime; 78 st4->st_ctim = (ibcs2_time_t)st->st_ctime; 79} 80 81static int 82cvt_statfs(sp, buf, len) 83 struct statfs *sp; 84 caddr_t buf; 85 int len; 86{ 87 struct ibcs2_statfs ssfs; 88 89 bzero(&ssfs, sizeof ssfs); 90 ssfs.f_fstyp = 0; 91 ssfs.f_bsize = sp->f_bsize; 92 ssfs.f_frsize = 0; 93 ssfs.f_blocks = sp->f_blocks; 94 ssfs.f_bfree = sp->f_bfree; 95 ssfs.f_files = sp->f_files; 96 ssfs.f_ffree = sp->f_ffree; 97 ssfs.f_fname[0] = 0; 98 ssfs.f_fpack[0] = 0; 99 return copyout((caddr_t)&ssfs, buf, len); 100} 101 102int 103ibcs2_statfs(p, uap, retval) 104 struct proc *p; 105 struct ibcs2_statfs_args *uap; 106 int *retval; 107{ 108 register struct mount *mp; 109 register struct statfs *sp; 110 int error; 111 struct nameidata nd; 112 caddr_t sg = stackgap_init(); 113 114 CHECKALTEXIST(p, &sg, SCARG(uap, path)); 115 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p); 116 if (error = namei(&nd)) 117 return (error); 118 mp = nd.ni_vp->v_mount; 119 sp = &mp->mnt_stat; 120 vrele(nd.ni_vp); 121 if (error = VFS_STATFS(mp, sp, p)) 122 return (error); 123 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 124 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len)); 125} 126 127int 128ibcs2_fstatfs(p, uap, retval) 129 struct proc *p; 130 struct ibcs2_fstatfs_args *uap; 131 int *retval; 132{ 133 struct file *fp; 134 struct mount *mp; 135 register struct statfs *sp; 136 int error; 137 138 if (error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) 139 return (error); 140 mp = ((struct vnode *)fp->f_data)->v_mount; 141 sp = &mp->mnt_stat; 142 if (error = VFS_STATFS(mp, sp, p)) 143 return (error); 144 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK; 145 return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len)); 146} 147 148int 149ibcs2_stat(p, uap, retval) 150 struct proc *p; 151 struct ibcs2_stat_args *uap; 152 int *retval; 153{ 154 struct stat st; 155 struct ibcs2_stat ibcs2_st; 156 struct stat_args cup; 157 int error; 158 caddr_t sg = stackgap_init(); 159 160 CHECKALTEXIST(p, &sg, SCARG(uap, path)); 161 SCARG(&cup, path) = SCARG(uap, path); 162 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st)); 163 164 if (error = stat(p, &cup, retval)) 165 return error; 166 167 if (error = copyin(SCARG(&cup, ub), &st, sizeof(st))) 168 return error; 169 bsd_stat2ibcs_stat(&st, &ibcs2_st); 170 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 171 ibcs2_stat_len); 172} 173 174int 175ibcs2_lstat(p, uap, retval) 176 struct proc *p; 177 struct ibcs2_lstat_args *uap; 178 int *retval; 179{ 180 struct stat st; 181 struct ibcs2_stat ibcs2_st; 182 struct lstat_args cup; 183 int error; 184 caddr_t sg = stackgap_init(); 185 186 CHECKALTEXIST(p, &sg, SCARG(uap, path)); 187 SCARG(&cup, path) = SCARG(uap, path); 188 SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st)); 189 190 if (error = lstat(p, &cup, retval)) 191 return error; 192 193 if (error = copyin(SCARG(&cup, ub), &st, sizeof(st))) 194 return error; 195 bsd_stat2ibcs_stat(&st, &ibcs2_st); 196 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 197 ibcs2_stat_len); 198} 199 200int 201ibcs2_fstat(p, uap, retval) 202 struct proc *p; 203 struct ibcs2_fstat_args *uap; 204 int *retval; 205{ 206 struct stat st; 207 struct ibcs2_stat ibcs2_st; 208 struct fstat_args cup; 209 int error; 210 caddr_t sg = stackgap_init(); 211 212 SCARG(&cup, fd) = SCARG(uap, fd); 213 SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(st)); 214 215 if (error = fstat(p, &cup, retval)) 216 return error; 217 218 if (error = copyin(SCARG(&cup, sb), &st, sizeof(st))) 219 return error; 220 bsd_stat2ibcs_stat(&st, &ibcs2_st); 221 return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st), 222 ibcs2_stat_len); 223} 224 225int 226ibcs2_utssys(p, uap, retval) 227 struct proc *p; 228 struct ibcs2_utssys_args *uap; 229 int *retval; 230{ 231 switch (SCARG(uap, flag)) { 232 case 0: /* uname(2) */ 233 { 234 struct ibcs2_utsname sut; 235 bzero(&sut, ibcs2_utsname_len); 236 237 strncpy(sut.sysname, IBCS2_UNAME_SYSNAME, sizeof(sut.sysname)); 238 strncpy(sut.release, IBCS2_UNAME_RELEASE, sizeof(sut.release)); 239 strncpy(sut.version, IBCS2_UNAME_VERSION, sizeof(sut.version)); 240 strncpy(sut.nodename, hostname, sizeof(sut.nodename)); 241 strncpy(sut.machine, machine, sizeof(sut.machine)); 242 sut.sysname[sizeof(sut.sysname)-1] = '\0'; 243 sut.release[sizeof(sut.release)-1] = '\0'; 244 sut.version[sizeof(sut.version)-1] = '\0'; 245 sut.nodename[sizeof(sut.nodename)-1] = '\0'; 246 sut.machine[sizeof(sut.machine)-1] = '\0'; 247 248 DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n", 249 sut.sysname, sut.release, sut.version, sut.nodename, 250 sut.machine)); 251 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, a1), 252 ibcs2_utsname_len); 253 } 254 255 case 2: /* ustat(2) */ 256 { 257 return ENOSYS; /* XXX - TODO */ 258 } 259 260 default: 261 return ENOSYS; 262 } 263} 264